AT49BV642D Overview
The AT49BV642D(T) is a 2.7-volt 64-megabit Flash memory organized as 4,194,304 words of 16 bits each. The memory is divided into 135 sectors for erase operations. The device can be read or reprogrammed off a single 2.7V power supply, making it ideally suited for in-system programming.
AT49BV642D Key Features
- Single Voltage Operation Read/Write: 2.65V
- 3.6V 2.7V
- 3.6V Read/Write Access Time
- 70 ns Sector Erase Architecture
- One Hundred Twenty-seven 32K Word Main Sectors with Individual Write Lockout
- Eight 4K Word Sectors with Individual Write Lockout Fast Word Program Time
- 10 µs Typical Sector Erase Time: 32K Word Sectors
- 500 ms; 4K Word Sectors
- 100 ms Suspend/Resume Feature for Erase and Program
- Supports Reading and Programming Data from Any Sector by Suspending Erase of a Different Sector